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DBMS > EXASOL vs. Immudb vs. TerarkDB

System Properties Comparison EXASOL vs. Immudb vs. TerarkDB

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonImmudb  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.An immutable database, which allows to add new versions of existing records, but never change or delete records.A key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelRelational DBMSKey-value storeKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.53
Rank#91  Overall
#47  Relational DBMS
Score0.19
Rank#292  Overall
#43  Key-value stores
Score0.04
Rank#325  Overall
#50  Key-value stores
Websitewww.exasol.comgithub.com/­codenotary/­immudb
www.codenotary.com/­technologies/­immudb
github.com/­Terark/­terarkdb
Technical documentationwww.exasol.com/­resourcesdocs.immudb.iogithub.com/­Terark/­terarkdb/­wiki
DeveloperExasolCodenotaryTerark
Initial release200020202016
Current release1.0, May 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoC++
Server operating systemsBSD
Linux
macOS
Solaris
Windows
z/OS
Data schemeyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesno
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesyesyesno
SQL infoSupport of SQLyesSQL-like syntaxno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
gRPC protocol
PostgreSQL wire protocol
C++ API
Java API
Supported programming languagesJava
Lua
Python
R
.Net
Go
Java
JavaScript (Node.js)
Python
C++
Java
Server-side scripts infoStored proceduresuser defined functionsnono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardno

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More resources
EXASOLImmudbTerarkDB
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